C-z has been a really annoying key binding since I started using emacs.
C-z isn’t undo, in the emacs world it will minimize the emacs application. Add Xmonad in the mix and it doesn’t minimize emacs it just makes the text pointer weird.
The snippet to unbind
(global-unset-key (kbd "C-z"))
Add the snippet to
init.el and restart emacs or you can just execute that line in place.